US11834302B2 - Stairlift - Google Patents
Stairlift Download PDFInfo
- Publication number
- US11834302B2 US11834302B2 US17/595,700 US202017595700A US11834302B2 US 11834302 B2 US11834302 B2 US 11834302B2 US 202017595700 A US202017595700 A US 202017595700A US 11834302 B2 US11834302 B2 US 11834302B2
- Authority
- US
- United States
- Prior art keywords
- bogie
- rail
- ball
- roller
- carriage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active, expires
Links
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 description 17
- 230000007704 transition Effects 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 8
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 244000261422 Lysimachia clethroides Species 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
- B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
- B66B9/0807—Driving mechanisms
- B66B9/0815—Rack and pinion, friction rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
- B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
- B66B9/0838—Levelling gears
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
- B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
- B66B9/0846—Guide rail
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
Description
Claims (20)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/595,700 US11834302B2 (en) | 2019-05-31 | 2020-05-29 | Stairlift |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962855158P | 2019-05-31 | 2019-05-31 | |
US201962886615P | 2019-08-14 | 2019-08-14 | |
PCT/US2020/035092 WO2020243410A1 (en) | 2019-05-31 | 2020-05-29 | Stairlift |
US17/595,700 US11834302B2 (en) | 2019-05-31 | 2020-05-29 | Stairlift |
Publications (2)
Publication Number | Publication Date |
---|---|
US20220081256A1 US20220081256A1 (en) | 2022-03-17 |
US11834302B2 true US11834302B2 (en) | 2023-12-05 |
Family
ID=73553915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/595,700 Active 2040-07-09 US11834302B2 (en) | 2019-05-31 | 2020-05-29 | Stairlift |
Country Status (4)
Country | Link |
---|---|
US (1) | US11834302B2 (en) |
EP (1) | EP3976520A4 (en) |
CA (1) | CA3142266A1 (en) |
WO (1) | WO2020243410A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201700117273A1 (en) * | 2017-10-17 | 2019-04-17 | Extrema S R L | Trolley and sliding support apparatus for stairlift. |
CA3142266A1 (en) * | 2019-05-31 | 2020-12-03 | Bruno Independent Living Aids, Inc. | Stairlift |
GB2585658B (en) * | 2019-07-09 | 2023-08-16 | Stannah Stairlifts Ltd | Improvements in or relating to stairlifts |
GB202010021D0 (en) * | 2020-06-30 | 2020-08-12 | Stannah Stairlifts Ltd | Improvements in or relating to stairlifts |
Citations (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3121476A (en) * | 1960-08-29 | 1964-02-18 | Mazzarelli Samuel | Staircase elevator |
US4260869A (en) * | 1978-05-30 | 1981-04-07 | Midcon Pipeline Equipment Co. | Traveling welding carriage |
US4838412A (en) * | 1987-01-23 | 1989-06-13 | Wamac Ab | Conveyor |
US4904916A (en) | 1988-05-18 | 1990-02-27 | The Cheney Company | Electrical control system for stairway wheelchair lift |
US5052521A (en) * | 1988-05-18 | 1991-10-01 | The Cheney Company | Stairway wheelchair lift |
US5235917A (en) * | 1990-10-18 | 1993-08-17 | Mannesmann Aktiengesellschaft | Monorail trolley with u-shape frame extending over, above, and surrounding the rail |
US5676061A (en) * | 1996-04-10 | 1997-10-14 | Hk Systems, Inc. | Carrier cell for a monorail sortation system |
US5967265A (en) * | 1996-11-12 | 1999-10-19 | Michael Roman Bruno | Self-leveling inclined lift device |
WO2000023371A1 (en) | 1998-10-19 | 2000-04-27 | Stannah Stairlifts Limited | Improvements in a track for stairlifts |
US6082496A (en) * | 1997-03-19 | 2000-07-04 | Bovis; John Edric | Stairlift skate |
US6155382A (en) * | 1995-10-02 | 2000-12-05 | Thyssen De Reus B.V. | Running gear for a drive mechanism for a rail-guided displacement device |
KR20010055394A (en) | 1999-12-10 | 2001-07-04 | 김정규 | An automatic diagnosis system for the break-down of the wheelchair-lifts |
US20020011383A1 (en) * | 2000-07-05 | 2002-01-31 | Gerd Grass | Stairlift for the disabled |
US6360673B1 (en) * | 1999-09-01 | 2002-03-26 | Siemens Electrocom, L.P. | Trolley chassis |
GB2367807A (en) | 2000-08-10 | 2002-04-17 | Sunrise Medical Ltd | A stairlift assembly |
US6435308B2 (en) * | 2000-03-10 | 2002-08-20 | Gerd Grass | Drive configuration for stair lifts |
US6622637B2 (en) * | 2001-07-26 | 2003-09-23 | Richard Cummins | Arcuate tilting mechanism for high speed trains |
US20040104078A1 (en) * | 2001-02-12 | 2004-06-03 | Szentistvany Andreas Csaba | Rail and carriage for stairlifts |
US6755136B2 (en) * | 2000-01-20 | 2004-06-29 | Stannah Stairlifts Limited | Carriage roller adjusting mechanism for stairlifts |
US20040255709A1 (en) * | 2003-01-27 | 2004-12-23 | Rudolf Reitberger | Guide section with toothed rack |
US20050177288A1 (en) * | 2004-02-06 | 2005-08-11 | Sullivan James D. | Interdependent control of aftermarket vehicle accessories without invasive control connections |
US20050279580A1 (en) * | 2002-08-10 | 2005-12-22 | Szentistvany Andreas C | Safety device for stairlifts |
US7145433B2 (en) * | 2001-11-01 | 2006-12-05 | Inventio Ag | System for transportation or access control of persons or goods, and method, device and computer program for maintenance of the system, and method for retrofitting a building with the system |
US7296659B2 (en) * | 2002-10-22 | 2007-11-20 | Bc Lift A/S | Staircase lift and a guide rail for such a lift |
US7322461B2 (en) * | 2002-11-13 | 2008-01-29 | Stannah Stairlifts Limited | Guide rail for stairlifts |
US20080271953A1 (en) * | 2005-10-06 | 2008-11-06 | Freelift B.V. | Incline Lift Unit and Incline Lift |
US20100064835A1 (en) * | 2008-09-15 | 2010-03-18 | Minivator Limited | Rack and method of forming the same |
US20100101894A1 (en) * | 2006-10-20 | 2010-04-29 | Stannah Stairlifts Limited | Improvements in or relating to stairlifts |
US20110024237A1 (en) * | 2007-12-17 | 2011-02-03 | Freelift B.V. | Slope lift for climbing or descending a slope or stairs |
US20110278096A1 (en) * | 2010-04-15 | 2011-11-17 | Walter Kentenich | Passenger Lift System with Access Control |
US20120048652A1 (en) * | 2010-08-24 | 2012-03-01 | Digiovanni Anthony P | Personal stair lift |
US8485317B2 (en) * | 2008-01-17 | 2013-07-16 | Inventio Ag | Lift installation control system that interfaces with mobile devices |
US8660565B2 (en) | 2005-10-21 | 2014-02-25 | Handicare Accessibility Limited | Wireless fault monitoring system |
US20140083801A1 (en) * | 2011-01-06 | 2014-03-27 | Handicare Stairlifts B.V. | Transport Unit for Climbing or Descending a Slope or Stairs |
US20150375965A1 (en) * | 2014-05-26 | 2015-12-31 | Drexel University | Modular Escalating Wheelchair Lift |
US9338617B2 (en) * | 2013-06-25 | 2016-05-10 | Joel Douglas | Smart monitoring sensor system for monitoring mobility |
WO2016072849A1 (en) | 2014-11-07 | 2016-05-12 | Handicare Stairlifts B.V. | Stairlift |
US20160236906A1 (en) * | 2013-10-09 | 2016-08-18 | Island Mobility Ltd | Section of stairlift guide rail and kit |
US20160268805A1 (en) * | 2015-03-09 | 2016-09-15 | Kevin Michael Finn | Alternative Powering and Diagnosis of an Accessibility Lift |
US9457992B2 (en) * | 2011-12-13 | 2016-10-04 | Otto Ooms B.V. | Stair lift |
US20170001837A1 (en) * | 2010-10-21 | 2017-01-05 | Handicare Accessibility Limited | Stairlift |
US20170144860A1 (en) * | 2014-06-16 | 2017-05-25 | Stannah Stairlifts Limited | Improvements in or relating to stairlifts |
US20170158464A1 (en) * | 2014-06-27 | 2017-06-08 | Handicare Stairlifts B.V. | Stairlift |
US20170247227A1 (en) * | 2014-10-21 | 2017-08-31 | Handicare Stairlifts B.V. | A stairlift, for transporting a load along a staircase |
US9751724B2 (en) * | 2012-03-14 | 2017-09-05 | Otto Ooms B.V. | Stair lift with a safety device |
US9850093B2 (en) * | 2012-06-22 | 2017-12-26 | Otis Elevator Company | System and method for controlling elevator system access |
GB2551817A (en) | 2016-06-30 | 2018-01-03 | Platinum Stairlifts Ltd | Drive unit |
US10011462B2 (en) * | 2012-02-29 | 2018-07-03 | Otto Ooms B.V. | Device and rail system for conveying a load from a first to a second level, in particular a stair lift |
US10118797B2 (en) * | 2013-05-20 | 2018-11-06 | Otis Elevator Company | Mobile application based elevator dispatching using tenant identity |
CN108787799A (en) | 2018-08-11 | 2018-11-13 | 湖北合强机械发展股份有限公司 | Steel rail top-bending straightener |
US20190047825A1 (en) * | 2015-09-30 | 2019-02-14 | Acorn Mobility Services Limited | Power management of a battery of a stair lift system |
US10224768B2 (en) * | 2013-01-23 | 2019-03-05 | Gianfausto ZANOTTI | Magnetic drive device |
US20200239282A1 (en) * | 2017-10-17 | 2020-07-30 | Extrema S.R.L. | A carriage and a sliding support apparatus for a stairlift |
USD933330S1 (en) * | 2019-05-31 | 2021-10-12 | Bruno Independent Living Aids, Inc. | Stairlift rail |
US20220081256A1 (en) * | 2019-05-31 | 2022-03-17 | Bruno Independent Living Aids, Inc. | Stairlift |
US20220081257A1 (en) * | 2019-05-31 | 2022-03-17 | Bruno Independent Living Aids, Inc. | Stairlift rail and method of forming same |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1022760C2 (en) * | 2003-02-22 | 2004-08-24 | Ooms Otto Bv | Device for transporting a load, in particular stairlift, from a first to a second level. |
-
2020
- 2020-05-29 CA CA3142266A patent/CA3142266A1/en active Pending
- 2020-05-29 US US17/595,700 patent/US11834302B2/en active Active
- 2020-05-29 WO PCT/US2020/035092 patent/WO2020243410A1/en unknown
- 2020-05-29 EP EP20813361.1A patent/EP3976520A4/en active Pending
Patent Citations (71)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3121476A (en) * | 1960-08-29 | 1964-02-18 | Mazzarelli Samuel | Staircase elevator |
US4260869A (en) * | 1978-05-30 | 1981-04-07 | Midcon Pipeline Equipment Co. | Traveling welding carriage |
US4838412A (en) * | 1987-01-23 | 1989-06-13 | Wamac Ab | Conveyor |
US4904916A (en) | 1988-05-18 | 1990-02-27 | The Cheney Company | Electrical control system for stairway wheelchair lift |
US5052521A (en) * | 1988-05-18 | 1991-10-01 | The Cheney Company | Stairway wheelchair lift |
US5235917A (en) * | 1990-10-18 | 1993-08-17 | Mannesmann Aktiengesellschaft | Monorail trolley with u-shape frame extending over, above, and surrounding the rail |
US6155382A (en) * | 1995-10-02 | 2000-12-05 | Thyssen De Reus B.V. | Running gear for a drive mechanism for a rail-guided displacement device |
US5676061A (en) * | 1996-04-10 | 1997-10-14 | Hk Systems, Inc. | Carrier cell for a monorail sortation system |
US5967265A (en) * | 1996-11-12 | 1999-10-19 | Michael Roman Bruno | Self-leveling inclined lift device |
US6082496A (en) * | 1997-03-19 | 2000-07-04 | Bovis; John Edric | Stairlift skate |
US6761250B1 (en) * | 1998-10-19 | 2004-07-13 | Stannah Stairlifts Limited | Track for stairlifts |
WO2000023371A1 (en) | 1998-10-19 | 2000-04-27 | Stannah Stairlifts Limited | Improvements in a track for stairlifts |
EP1124749B1 (en) | 1998-10-19 | 2004-03-03 | Stannah Stairlifts Limited | Improvements in a track for stairlifts |
US6360673B1 (en) * | 1999-09-01 | 2002-03-26 | Siemens Electrocom, L.P. | Trolley chassis |
KR20010055394A (en) | 1999-12-10 | 2001-07-04 | 김정규 | An automatic diagnosis system for the break-down of the wheelchair-lifts |
US6755136B2 (en) * | 2000-01-20 | 2004-06-29 | Stannah Stairlifts Limited | Carriage roller adjusting mechanism for stairlifts |
US6435308B2 (en) * | 2000-03-10 | 2002-08-20 | Gerd Grass | Drive configuration for stair lifts |
US20020011383A1 (en) * | 2000-07-05 | 2002-01-31 | Gerd Grass | Stairlift for the disabled |
GB2367807A (en) | 2000-08-10 | 2002-04-17 | Sunrise Medical Ltd | A stairlift assembly |
US20040104078A1 (en) * | 2001-02-12 | 2004-06-03 | Szentistvany Andreas Csaba | Rail and carriage for stairlifts |
US6622637B2 (en) * | 2001-07-26 | 2003-09-23 | Richard Cummins | Arcuate tilting mechanism for high speed trains |
US7145433B2 (en) * | 2001-11-01 | 2006-12-05 | Inventio Ag | System for transportation or access control of persons or goods, and method, device and computer program for maintenance of the system, and method for retrofitting a building with the system |
US20050279580A1 (en) * | 2002-08-10 | 2005-12-22 | Szentistvany Andreas C | Safety device for stairlifts |
US7296659B2 (en) * | 2002-10-22 | 2007-11-20 | Bc Lift A/S | Staircase lift and a guide rail for such a lift |
US7322461B2 (en) * | 2002-11-13 | 2008-01-29 | Stannah Stairlifts Limited | Guide rail for stairlifts |
US20040255709A1 (en) * | 2003-01-27 | 2004-12-23 | Rudolf Reitberger | Guide section with toothed rack |
US20050177288A1 (en) * | 2004-02-06 | 2005-08-11 | Sullivan James D. | Interdependent control of aftermarket vehicle accessories without invasive control connections |
US20080271953A1 (en) * | 2005-10-06 | 2008-11-06 | Freelift B.V. | Incline Lift Unit and Incline Lift |
US8660565B2 (en) | 2005-10-21 | 2014-02-25 | Handicare Accessibility Limited | Wireless fault monitoring system |
US20100101894A1 (en) * | 2006-10-20 | 2010-04-29 | Stannah Stairlifts Limited | Improvements in or relating to stairlifts |
US8607936B2 (en) * | 2006-10-20 | 2013-12-17 | Stannah Stairlifts Limited | In or relating to stairlifts |
US20110024237A1 (en) * | 2007-12-17 | 2011-02-03 | Freelift B.V. | Slope lift for climbing or descending a slope or stairs |
US8485317B2 (en) * | 2008-01-17 | 2013-07-16 | Inventio Ag | Lift installation control system that interfaces with mobile devices |
US8360336B2 (en) * | 2008-09-15 | 2013-01-29 | Minivator Limited | Rack and method of forming the same |
US20100064835A1 (en) * | 2008-09-15 | 2010-03-18 | Minivator Limited | Rack and method of forming the same |
US20110278096A1 (en) * | 2010-04-15 | 2011-11-17 | Walter Kentenich | Passenger Lift System with Access Control |
US9016437B2 (en) * | 2010-08-24 | 2015-04-28 | Hoveround Corporation | Personal stair lift |
US20120048652A1 (en) * | 2010-08-24 | 2012-03-01 | Digiovanni Anthony P | Personal stair lift |
US9751725B2 (en) * | 2010-10-21 | 2017-09-05 | Handicare Accessibility Limited | Stairlift |
US20170001837A1 (en) * | 2010-10-21 | 2017-01-05 | Handicare Accessibility Limited | Stairlift |
US20140083801A1 (en) * | 2011-01-06 | 2014-03-27 | Handicare Stairlifts B.V. | Transport Unit for Climbing or Descending a Slope or Stairs |
US9457992B2 (en) * | 2011-12-13 | 2016-10-04 | Otto Ooms B.V. | Stair lift |
US10011462B2 (en) * | 2012-02-29 | 2018-07-03 | Otto Ooms B.V. | Device and rail system for conveying a load from a first to a second level, in particular a stair lift |
US9751724B2 (en) * | 2012-03-14 | 2017-09-05 | Otto Ooms B.V. | Stair lift with a safety device |
US9850093B2 (en) * | 2012-06-22 | 2017-12-26 | Otis Elevator Company | System and method for controlling elevator system access |
US10224768B2 (en) * | 2013-01-23 | 2019-03-05 | Gianfausto ZANOTTI | Magnetic drive device |
US10118797B2 (en) * | 2013-05-20 | 2018-11-06 | Otis Elevator Company | Mobile application based elevator dispatching using tenant identity |
US9338617B2 (en) * | 2013-06-25 | 2016-05-10 | Joel Douglas | Smart monitoring sensor system for monitoring mobility |
US20160236906A1 (en) * | 2013-10-09 | 2016-08-18 | Island Mobility Ltd | Section of stairlift guide rail and kit |
US20150375965A1 (en) * | 2014-05-26 | 2015-12-31 | Drexel University | Modular Escalating Wheelchair Lift |
US20170144860A1 (en) * | 2014-06-16 | 2017-05-25 | Stannah Stairlifts Limited | Improvements in or relating to stairlifts |
US20170158464A1 (en) * | 2014-06-27 | 2017-06-08 | Handicare Stairlifts B.V. | Stairlift |
US9908745B2 (en) * | 2014-06-27 | 2018-03-06 | Handicare Stairlifts B.V. | Stairlift |
US20170247227A1 (en) * | 2014-10-21 | 2017-08-31 | Handicare Stairlifts B.V. | A stairlift, for transporting a load along a staircase |
US10625981B2 (en) * | 2014-10-21 | 2020-04-21 | Handicare Stairlifts B.V. | Stairlift, for transporting a load along a staircase |
US20170233223A1 (en) * | 2014-11-07 | 2017-08-17 | Handicare Stairlifts B.V. | Stairlift |
US10843901B2 (en) * | 2014-11-07 | 2020-11-24 | Handicare Stairlifts B.V. | Stairlift |
WO2016072849A1 (en) | 2014-11-07 | 2016-05-12 | Handicare Stairlifts B.V. | Stairlift |
EP3215450B1 (en) | 2014-11-07 | 2019-01-09 | Handicare Stairlifts B.V. | Stairlift |
US20160268805A1 (en) * | 2015-03-09 | 2016-09-15 | Kevin Michael Finn | Alternative Powering and Diagnosis of an Accessibility Lift |
US20190047825A1 (en) * | 2015-09-30 | 2019-02-14 | Acorn Mobility Services Limited | Power management of a battery of a stair lift system |
WO2018002573A1 (en) | 2016-06-30 | 2018-01-04 | Platinum Stairlifts Ltd | Drive unit |
US20190225460A1 (en) * | 2016-06-30 | 2019-07-25 | Platinum Stairlifts Ltd. | Drive unit |
GB2551817A (en) | 2016-06-30 | 2018-01-03 | Platinum Stairlifts Ltd | Drive unit |
US11111107B2 (en) * | 2016-06-30 | 2021-09-07 | Platinum Stairlifts Ltd. | Drive unit |
US20200239282A1 (en) * | 2017-10-17 | 2020-07-30 | Extrema S.R.L. | A carriage and a sliding support apparatus for a stairlift |
US11560290B2 (en) * | 2017-10-17 | 2023-01-24 | Extrema S.R.L. | Carriage and a sliding support apparatus for a stairlift |
CN108787799A (en) | 2018-08-11 | 2018-11-13 | 湖北合强机械发展股份有限公司 | Steel rail top-bending straightener |
USD933330S1 (en) * | 2019-05-31 | 2021-10-12 | Bruno Independent Living Aids, Inc. | Stairlift rail |
US20220081256A1 (en) * | 2019-05-31 | 2022-03-17 | Bruno Independent Living Aids, Inc. | Stairlift |
US20220081257A1 (en) * | 2019-05-31 | 2022-03-17 | Bruno Independent Living Aids, Inc. | Stairlift rail and method of forming same |
Non-Patent Citations (5)
Title |
---|
English machine translation of CN 108787799. |
English machine translation of KR2001-0055394. |
International Preliminary Report on Patentability from International Patent Application No. PCT/US2020/035092 dated Nov. 16, 2021, 6 pages. |
International Search Report from International Patent Application No. PCT/US2020/035092 dated Aug. 7, 2020, 1 page. |
Notification Concerning Transmittal of International Preliminary Report on Patentability from International Patent Application No. PCT/US2020/035092 dated Dec. 9, 2021, 1 page. |
Also Published As
Publication number | Publication date |
---|---|
EP3976520A1 (en) | 2022-04-06 |
EP3976520A4 (en) | 2024-04-03 |
US20220081256A1 (en) | 2022-03-17 |
CA3142266A1 (en) | 2020-12-03 |
WO2020243410A1 (en) | 2020-12-03 |
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